Didymogonyx is a genus of South American bamboo in the grass family.Tyrrell, Christopher D., Clark, Lynn G., & Londoño, Ximena. 2012. Systematics of the neotropical woody bamboo genus Rhipidocladum (Poaceae: Bambusoideae). Molecular Phylogenetics and Evolution 65(2012): 146

SpeciesKew World Checklist of Selected Plant Families Didymogonyx geminatum (McClure) C.D.Tyrrell, L.G.Clark & Londoño - Colombia, Venezuela Didymogonyx longispiculatum (Londoño & L.G.Clark) C.D.Tyrrell, L.G.Clark & Londoño - Colombia

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